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Humans and other vertebrates have both specific and nonspecific immunity while invertebrates have only specificnonspecific immunity.
Humans and other vertebrates have both specific and nonspecific immunity while invertebrates have only Non-specific immunity.
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Asked 2/8/2016 4:31:33 AM
Updated 2/8/2016 10:42:33 AM
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Confirmed by Janet17 [2/8/2016 10:42:33 AM]
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CyanobacteriaChemoautotrophsPhotoautotrophs make their own food by extracting compounds from the ocean.
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Chemoautotrophs make their own food by extracting compounds from the ocean.
Added 2/8/2016 5:11:57 AM
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The earthworm's capillarydorsalventral vessel acts as a pump to push blood throughout the body
Weegy: The earthworm's ventral vessel acts as a pump to push blood throughout the body. Ventral Blood Vessel: (serves as the aorta) receives blood from the aortic arches and delivers it to the brain and the rest of the body through smaller arteries to capillaries to veins and back to the dorsal blood vessel. (More)
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Updated 2/8/2016 5:03:05 AM
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Echinoderms, like sea stars, have a ladder-likenerve netring-like nervous system
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Updated 3/27/2017 8:06:48 AM
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Echinoderms, like sea stars, have a nerve net nervous system.
Added 3/27/2017 8:06:48 AM
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Confirmed by Andrew. [3/27/2017 11:22:11 AM]
An example of an internal chemical transmitter is a(n) organhormonegland.
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Updated 2/8/2016 5:55:04 AM
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An example of an internal chemical transmitter is a(n) hormone.
Added 2/8/2016 5:55:04 AM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [2/8/2016 12:51:59 PM]
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